Question

Given that -4 sxs 3, and 5 sys 11, the minimum value of which of the following expressions is the least?
a. x^3y – xy²
b. x^3y - xy^3
c. x^2y + xy^2
d. y²x + x^3y​

Answer 1

I have the doubt. What do you mean sys?

Answer 2

Step-by-step explanation:

Show that the normal at any point o to the curve

x = a coso + a 0 sin 0, y = a sino - a0 cose

is at a constant distance from the origin.